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author | June McEnroe <june@causal.agency> | 2022-02-20 16:57:11 -0500 |
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committer | June McEnroe <june@causal.agency> | 2022-02-20 16:57:11 -0500 |
commit | 78ff548b934bb265437e3afeea78942c601691e6 (patch) | |
tree | b3bbfc5b326bd93204aa9ffb451130e78e256576 /input.c | |
parent | Share a cut buffer between all edit buffers (diff) | |
download | catgirl-78ff548b934bb265437e3afeea78942c601691e6.tar.gz catgirl-78ff548b934bb265437e3afeea78942c601691e6.zip |
Save input buffer contents
Diffstat (limited to '')
-rw-r--r-- | input.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/input.c b/input.c index b6c51a2..de8cecf 100644 --- a/input.c +++ b/input.c @@ -586,3 +586,42 @@ void inputRead(void) { } inputUpdate(); } + +static int writeString(FILE *file, const char *str) { + return (fwrite(str, strlen(str) + 1, 1, file) ? 0 : -1); +} + +int inputSave(FILE *file) { + int error; + for (uint id = 0; id < IDCap; ++id) { + if (!edits[id].len) continue; + char *ptr = editString(&edits[id], &buf, &cap, NULL); + if (!ptr) return -1; + error = 0 + || writeString(file, idNames[id]) + || writeString(file, ptr); + if (error) return error; + } + return writeString(file, ""); +} + +static ssize_t readString(FILE *file, char **buf, size_t *cap) { + ssize_t len = getdelim(buf, cap, '\0', file); + if (len < 0 && !feof(file)) err(EX_IOERR, "getdelim"); + return len; +} + +void inputLoad(FILE *file, size_t version) { + if (version < 8) return; + while (0 < readString(file, &buf, &cap) && buf[0]) { + uint id = idFor(buf); + readString(file, &buf, &cap); + size_t max = strlen(buf); + int error = editReserve(&edits[id], 0, max); + if (error) err(EX_OSERR, "editReserve"); + size_t len = mbstowcs(edits[id].buf, buf, max); + assert(len != (size_t)-1); + edits[id].len = len; + edits[id].pos = len; + } +} |